40926290 has 8 divisors (see below), whose sum is σ = 73667340. Its totient is φ = 16370512.

The previous prime is 40926287. The next prime is 40926299. The reversal of 40926290 is 9262904.

It can be written as a sum of positive squares in 2 ways, for example, as 36954241 + 3972049 = 6079^2 + 1993^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40926290² = 3349922426328200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40926299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2046305 + ... + 2046324.

Almost surely, 2^40926290 is an apocalyptic number.

40926290 is a deficient number, since it is larger than the sum of its proper divisors (32741050).

40926290 is a wasteful number, since it uses less digits than its factorization.

40926290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4092636.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 40926290 is about 6397.3658641663. The cubic root of 40926290 is about 344.6149593554.

The spelling of 40926290 in words is "forty million, nine hundred twenty-six thousand, two hundred ninety".